| Acronym | Meaning |
| AATB | American Association Of Tissue Banks |
| PIGS | Pesticides In Groundwater Strategy |
| TRACS | Trends In Atmospheric Constituents Study |
| EPA | United States Environmental Protection Agency |
| CAA | Clean Air Act Of 1970 |
| FIOH | Finnish Institute Of Occupational Health |
| ALI | Annual Limit On Intake |
| GSAC | Generalized Symmetry Adapted Cluster (theory) |
| CEH | Cholesteryl Ester Hydrolase |
| SCM | Surface Complexation Model (of Adsorption) |